class PrimaryStudent extents Student{
// TODO
private int grade;
public PrimaryStudent(String name,int age,int score,int grade) {
super(name,age,score);
this.grade=grade;
}
public int getgrade() {
return grade;
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阳光透过窗台201702
class PrimaryStudent extents Student{
// TODO
private int grade;
public PrimaryStudent(String name,int age,int score,int grade) {
super(name,age,score);
this.grade=grade;
}
public int getgrade() {
return grade;
}
}